one brick short of a full load vs one fry short of a Happy Meal

one brick short of a full load

adj

  • Not mentally sound; insane. 

  • Stupid. 

one fry short of a Happy Meal

adj

  • mad, deranged, insane 

  • stupid, retarded, slow 

How often have the words one brick short of a full load and one fry short of a Happy Meal occurred in a corpus of books? (source: Google Ngram Viewer )